fix: skip vite server config during build

Author: tknkaa

packages/web/vite.config.ts

@@ -2,7 +2,7 @@ import path from "node:path";
 import react from "@vitejs/plugin-react";
 import { defineConfig } from "vite";
 
-export default defineConfig({
+export default defineConfig(({ command }) => ({
   plugins: [react()],
   resolve: {
     alias: {
@@ -11,15 +11,19 @@ export default defineConfig({
   },
   envDir: "../../",
   envPrefix: "PUBLIC_",
-  server: {
-    port: getPort(getEnv("BASE_URL")),
-    proxy: {
-      "/api": {
-        target: `http://localhost:${getEnv("EXTERNAL_SERVER_PORT")}`,
-      },
-    },
-  },
-});
+  ...(command === "serve"
+    ? {
+        server: {
+          port: getPort(getEnv("BASE_URL")),
+          proxy: {
+            "/api": {
+              target: `http://localhost:${getEnv("EXTERNAL_SERVER_PORT")}`,
+            },
+          },
+        },
+      }
+    : {}),
+}));
 
 function getEnv(name: string): string {
   const val = process.env[name];